/*
Defines functions used for the properties site
*/

// preload the tab images
if (document.images){
	
	var europetab = new Image(220,23);
	europetab.src = "http://www.iht.com/images/properties/tab4_europe.gif";
	
	var ustab = new Image(220,23);
	ustab.src = "http://www.iht.com/images/properties/tab4_us.gif";

	var asiatab = new Image(220,23);
	asiatab.src = "http://www.iht.com/images/properties/tab4_asia.gif";
	
	var othertab = new Image(220,23);
	othertab.src = "http://www.iht.com/images/properties/tab4_other.gif";
	
}

function changeTabs(location){
	if (location == "us"){
		document.images['tabs'].src = "http://www.iht.com/images/properties/tab4_us.gif";
		revealUS();
	} else if (location == "europe"){
		document.images['tabs'].src = "http://www.iht.com/images/properties/tab4_europe.gif";
		revealEurope();
	} else if (location == "asia"){
		document.images['tabs'].src = "http://www.iht.com/images/properties/tab4_asia.gif";
		revealAsia();
	} else if (location == "other"){
		document.images['tabs'].src = "http://www.iht.com/images/properties/tab4_other.gif";
		revealOther();
	}
}

function revealUS(){
	var us = document.getElementById("us");
	var europe = document.getElementById("europe");
	var other = document.getElementById("other");
	var asia = document.getElementById("asia");
	us.style.visibility = "visible";
	us.style.display = "block";
	europe.style.visibility = "hidden";
	europe.style.display = "none";
	asia.style.visibility = "hidden";
	asia.style.display = "none";
	other.style.visibility = "hidden";
	other.style.display = "none";
}

function revealEurope(){
	var us = document.getElementById("us");
	var europe = document.getElementById("europe");
	var other = document.getElementById("other");
	var asia = document.getElementById("asia");
	us.style.visibility = "hidden";
	us.style.display = "none";
	europe.style.visibility = "visible";
	europe.style.display = "block";
	asia.style.visibility = "hidden";
	asia.style.display = "none";
	other.style.visibility = "hidden";
	other.style.display = "none";
}

function revealAsia(){
	var us = document.getElementById("us");
	var europe = document.getElementById("europe");
	var other = document.getElementById("other");
	var asia = document.getElementById("asia");
	us.style.visibility = "hidden";
	us.style.display = "none";
	europe.style.visibility = "hidden";
	europe.style.display = "none";
	asia.style.visibility = "visible";
	asia.style.display = "block";
	other.style.visibility = "hidden";
	other.style.display = "none";
}

function revealOther(){
	var us = document.getElementById("us");
	var europe = document.getElementById("europe");
	var other = document.getElementById("other");
	var asia = document.getElementById("asia");
	us.style.visibility = "hidden";
	us.style.display = "none";
	europe.style.visibility = "hidden";
	europe.style.display = "none";
	asia.style.visibility = "hidden";
	asia.style.display = "none";
	other.style.visibility = "visible";
	other.style.display = "block";
}